312103000133 has 4 divisors (see below), whose sum is σ = 312624040800. Its totient is φ = 311581959468.

The previous prime is 312103000123. The next prime is 312103000159. The reversal of 312103000133 is 331000301213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331000301213 = 107 ⋅3093460759.

It is a cyclic number.

It is not a de Polignac number, because 312103000133 - 2⁴ = 312103000117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312103000123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260519435 + ... + 260520632.

It is an arithmetic number, because the mean of its divisors is an integer number (78156010200).

Almost surely, 2^312103000133 is an apocalyptic number.

It is an amenable number.

312103000133 is a deficient number, since it is larger than the sum of its proper divisors (521040667).

312103000133 is an equidigital number, since it uses as much as digits as its factorization.

312103000133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521040666.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 312103000133 its reverse (331000301213), we get a palindrome (643103301346).

The spelling of 312103000133 in words is "three hundred twelve billion, one hundred three million, one hundred thirty-three", and thus it is an aban number.